Home / 66,480,634.70-91,078,044.32-63,994,572.47

Finding the Fourth Proportional to 66,480,634.70, 91,078,044.32 and 63,994,572.47

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Solution

The fourth proportional to 66,480,634.70, 91,078,044.32 and 63,994,572.47 is: 87,672,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480,634.70 : 91,078,044.32 = 63,994,572.47 : x
  2. Step 2: Convert to fraction form
    66,480,634.70/91,078,044.32 = 63,994,572.47/x
  3. Step 3: Cross multiply
    66,480,634.70x = 91,078,044.32 × 63,994,572.47
  4. Step 4: Simplify right side
    66,480,634.70x = 5,828,500,507,206,722
  5. Step 5: Solve for x
    x = 5,828,500,507,206,722/66,480,634.70
  6. Step 6: Final answer
    x = 87,672,154.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.